Q. In which battle were Guru Gobind Singh's two sons sacrificed?
Answer:
Battle of Chamkaur
Notes: The Battle of Chamkaur (1704/1705) was fought between Guru Gobind Singh's Khalsa and Mughal forces. Guru’s two elder sons, Sahibzada Ajit Singh and Sahibzada Jujhar Singh, attained martyrdom during this battle. This significant event occurred in present-day Punjab and is commemorated at Chamkaur Sahib.